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Samsung CLX-8540ND - Page 200

Samsung CLX-8540ND
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Troubleshooting
Service Manual
4-38
Samsung Electronics
Code
NVM Description
(GUI)
Default
Max
/ Min
Function Description
110-040 LD Power Yellow 100 250/10 * This PWM sets the laser intensity to be shoot on OPC.
* Default 100, 95 PWM are approximately 0.254mW, 0.241mW.
* This value changes +0.0026mw per +1 PWM.
* This value is to check the normal state of HVPS,LSU.
* The value set on EDC manually is not applied to the real printing.
* At real printing, the value is applied by the Look-Up Table
considering the environment and life automatically.
110-050 LD Power Magenta 95 250/10
110-060 LD Power Cyan 95 250/10
110-070 LD Power Black (LD
Light Level Black)
95 250/10
111-000 Toner Vcon Yellow 175 255/90 * This value is the TC sensor control voltage PWM to adjust the
toner density.
* Default is 175. But, if the new imaging unit is installed, PWM will
be changed after TC Sensor Initialization.
* Default 175 PWM is approximately 8.15V.
* This value changes 0.01V per +1 PWM.
* This value is to check the normal state of the toner density
sensor output.
* The value set on EDC manually is not applied to the real printing.
* At real printing, the value is applied by the Look-Up Table
considering the environment and life automatically.
111-010 Toner Vcon Magenta 175 255/90
111-020 Toner Vcon Cyan 175 255/90
111-030 Toner Vcon Black 175 255/90
111-060 Toner T/C Upper Limit
Yellow
5 100/0 * This value is the ADC to control the toner density.
* 5 ADC (for initial toner only) is the target+0.5wt%(9.0wt%)
* The more the value increase, the more the toner density
increase.
111-070 Toner T/C Upper Limit
Magenta
5 100/0
111-080 Toner T/C Upper Limit
Cyan
5 100/0
111-090 Toner T/C Upper Limit
Black
5 100/0
111-100 Toner T/C Lower Limit
Yellow
140 250/10 * This value is the ADC to contol the toner density.
* 140 ADC(for initial toner only) is the Target -1wt% (7.5 wt%).
* The more the value decrease, the more the toner density
decrease.
111-110 Toner T/C Lower Limit
Magenta
140 250/10
111-120 Toner T/C Lower Limit
Cyan
140 250/10
111-130 Toner T/C Lower Limit
Black
140 250/10
111-140 Toner Target Yellow 128 250/10 * This value is the ADC to control the toner density.
* In case of 128 ADC (for initial toner only), toner density is
8.5wt%.
* The more the value increase, the more the toner density
decrease.
* The more the value decrease, the more the toner density
increase.
* You must input the value less than lower limit.
111-150 Toner Target Magenta 128 250/10
111-160 Toner Target Cyan 128 250/10
111-170 Toner Target Black 128 250/10

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